keys: remove libsecp256k1 verification until it's actually supported

This was added a while ago for testing purposes, but was never intended to be
used. Remove it until upstream libsecp256k1 decides that verification is
stable/ready.

1 files changed, 0 insertions, 33 deletions

diff --git a/src/pubkey.cpp b/src/pubkey.cpp
index 3ae67ca5fe..a4c046bff5 100644
--- a/src/pubkey.cpp
+++ b/src/pubkey.cpp
@@ -6,25 +6,16 @@
 
 #include "eccryptoverify.h"
 
-#ifdef USE_SECP256K1
-#include <secp256k1.h>
-#else
 #include "ecwrapper.h"
-#endif
 
 bool CPubKey::Verify(const uint256 &hash, const std::vector<unsigned char>& vchSig) const {
     if (!IsValid())
         return false;
-#ifdef USE_SECP256K1
-    if (secp256k1_ecdsa_verify((const unsigned char*)&hash, &vchSig[0], vchSig.size(), begin(), size()) != 1)
-        return false;
-#else
     CECKey key;
     if (!key.SetPubKey(begin(), size()))
         return false;
     if (!key.Verify(hash, vchSig))
         return false;
-#endif
     return true;
 }
 
@@ -33,52 +24,33 @@ bool CPubKey::RecoverCompact(const uint256 &hash, const std::vector<unsigned cha
         return false;
     int recid = (vchSig[0] - 27) & 3;
     bool fComp = ((vchSig[0] - 27) & 4) != 0;
-#ifdef USE_SECP256K1
-    int pubkeylen = 65;
-    if (!secp256k1_ecdsa_recover_compact((const unsigned char*)&hash, &vchSig[1], (unsigned char*)begin(), &pubkeylen, fComp, recid))
-        return false;
-    assert((int)size() == pubkeylen);
-#else
     CECKey key;
     if (!key.Recover(hash, &vchSig[1], recid))
         return false;
     std::vector<unsigned char> pubkey;
     key.GetPubKey(pubkey, fComp);
     Set(pubkey.begin(), pubkey.end());
-#endif
     return true;
 }
 
 bool CPubKey::IsFullyValid() const {
     if (!IsValid())
         return false;
-#ifdef USE_SECP256K1
-    if (!secp256k1_ecdsa_pubkey_verify(begin(), size()))
-        return false;
-#else
     CECKey key;
     if (!key.SetPubKey(begin(), size()))
         return false;
-#endif
     return true;
 }
 
 bool CPubKey::Decompress() {
     if (!IsValid())
         return false;
-#ifdef USE_SECP256K1
-    int clen = size();
-    int ret = secp256k1_ecdsa_pubkey_decompress((unsigned char*)begin(), &clen);
-    assert(ret);
-    assert(clen == (int)size());
-#else
     CECKey key;
     if (!key.SetPubKey(begin(), size()))
         return false;
     std::vector<unsigned char> pubkey;
     key.GetPubKey(pubkey, false);
     Set(pubkey.begin(), pubkey.end());
-#endif
     return true;
 }
 
@@ -89,17 +61,12 @@ bool CPubKey::Derive(CPubKey& pubkeyChild, unsigned char ccChild[32], unsigned i
     unsigned char out[64];
     BIP32Hash(cc, nChild, *begin(), begin()+1, out);
     memcpy(ccChild, out+32, 32);
-#ifdef USE_SECP256K1
-    pubkeyChild = *this;
-    bool ret = secp256k1_ecdsa_pubkey_tweak_add((unsigned char*)pubkeyChild.begin(), pubkeyChild.size(), out);
-#else
     CECKey key;
     bool ret = key.SetPubKey(begin(), size());
     ret &= key.TweakPublic(out);
     std::vector<unsigned char> pubkey;
     key.GetPubKey(pubkey, true);
     pubkeyChild.Set(pubkey.begin(), pubkey.end());
-#endif
     return ret;
 }